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检索条件"主题词=greedy algorithm"
2278 条 记 录,以下是221-230 订阅
排序:
A fast and effective breakpoints heuristic algorithm for the quadratic knapsack problem
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EUROPEAN JOURNAL OF OPERATIONAL RESEARCH 2025年 第2期323卷 425-440页
作者: Hochbaum, D. S. Baumann, P. Goldschmidt, O. Zhang, Y. Univ Calif Berkeley Ind Engn & Operat Res Dept Berkeley CA 94720 USA Univ Bern Dept Business Adm Engehaldenstr 4 CH-3012 Bern Switzerland Riverside Cty Off Educ Riverside CA 92501 USA
The Quadratic Knapsack Problem (QKP) involves selecting a subset of elements that maximizes the sum of pairwise and singleton utilities without exceeding a given budget. The pairwise utilities are nonnegative, the sin... 详细信息
来源: 评论
Approximation algorithm of maximizing non-submodular functions under non-submodular constraint
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DISCRETE APPLIED MATHEMATICS 2025年 361卷 48-68页
作者: Lai, Xiaoyan Shi, Yishuo Wenzhou Univ Coll Math & Phys Wenzhou 325035 Peoples R China
Nowadays, maximizing the non-negative and non-submodular objective functions under Knapsack constraint or Cardinality constraint is deeply researched. Nevertheless, few studies study the objective functions with non-s... 详细信息
来源: 评论
IZ: An improved greedy algorithm for influence maximization under threshold model
IZ: An improved greedy algorithm for influence maximization ...
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Third International Conference on Cyberspace Technology (CCT 2015)
作者: Junrong Wang Yue Hu Xiaozhi Zhang University of Science and Technology Beijing China Institute of Information Engineering Chinese Academy of Sciences Beijing China
Influence maximization is a problem for finding a set of seeds to maximize the spread of information in the network. In this article we bring out a context, which is called influence zone. It's very helpful for us... 详细信息
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SEGMENT-WISE ONLINE LEARNING BASED ON greedy algorithm FOR REAL-TIME MULTI-TARGET TRACKING
SEGMENT-WISE ONLINE LEARNING BASED ON GREEDY ALGORITHM FOR R...
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IEEE International Conference on Image Processing
作者: Changhoon Lee Chang D. Yoo Korea Advanced Institute of Science and Technology Department of Electrical Engineering
This paper proposes a tracklet-based algorithm for online multiple-target tracking. The algorithm performs tracking in three steps: (1) tracklet initialization, (2) tracklet refinement, and (3) tracklet association. G... 详细信息
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Joint parameter and time-delay estimation for a class of Wiener models based on a new orthogonal least squares algorithm
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NONLINEAR DYNAMICS 2024年 第14期112卷 12159-12170页
作者: Liu, Xinyu Liu, Yanjun Zhu, Quanmin Chen, Jing Jiangnan Univ Sch Internet Things Engn Wuxi 214122 Peoples R China Jiangnan Univ Key Lab Adv Proc Control Light Ind Minist Educ Wuxi 214122 Peoples R China Univ West England Dept Engn Design & Math Bristol BS16 1QY England Jiangnan Univ Sch Sci Wuxi 214122 Peoples R China
This paper focuses on the identification of piecewise-linear Wiener systems alone with multiple inputs, unknown time-delays and system orders in input channels. The parameters and time-delays are jointly estimated by ... 详细信息
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Adaptive Sampling Technique for Free-Form Surface of Aero-Engine Blades Based on Discrete Curvature
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INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING 2025年 第2期26卷 325-344页
作者: Huang, Liang Cao, Yan Peng, Runling Li, Hao Wang, Tuo Wei, Guoxin Xian Technol Univ Mechatron Engn Xian 710021 Peoples R China Xian Technol Univ Comp Sci & Engn Xian 710021 Peoples R China Xian KunLun Ind Grp Co LLC Adv Mfg Res Inst Xian 710043 Peoples R China
As the aero-engine blade surface is a typical representative of a free-form surface, its sampling and reconstruction accuracy directly determines the evaluation and correction of subsequent processing technology. In t... 详细信息
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An Ultra-Wideband Handover System for GPS-Free Bridge Inspection Using Drones
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SENSORS 2025年 第6期25卷 1923-1923页
作者: Wang, Ping-Hsiang Wu, Ruey-Beei Natl Taiwan Univ Grad Inst Commun Engn Taipei 106 Taiwan Natl Taiwan Univ Dept Elect Engn Taipei 106 Taiwan
This study proposes an ultra-wideband (UWB) handover system that increases the range of UWB positioning for bridge inspection using an unmanned aerial vehicle (UAV). A bipartite graph and a greedy algorithm are used, ... 详细信息
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A note on fast deterministic algorithms for non-monotone submodular maximization under a knapsack constraint
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OPERATIONS RESEARCH LETTERS 2025年 61卷
作者: Lu, Cheng Univ Chinese Acad Sci Sch Math Sci Beijing Peoples R China
We present a refined analysis of a variant of the algorithm in the literature for solving the knapsack-constrained submodular maximization problem. By deriving a strong approximation bound for this variant, we reduce ... 详细信息
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Seismic resilience evaluation and upgrading framework of UHV converter stations under optimal repair sequence
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EARTHQUAKE SPECTRA 2025年 第2期41卷 1801-1821页
作者: Wu, Siyuan Liu, Xiao Xie, Qiang Tongji Univ Coll Civil Engn Shanghai 200092 Peoples R China State Key Lab Disaster Reduct Civil Engn Shanghai Peoples R China
Seismic resilience of ultra-high-voltage converter stations (UHVCSs) has significant implications for reducing post-earthquake damages to power systems. In order to evaluate and improve the seismic resilience of UHVCS... 详细信息
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Replicating the performance of a portfolio of stocks using minimum dominating set
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EXPERT SYSTEMS WITH APPLICATIONS 2025年 263卷
作者: Biswas, Subhojit Texas A&M Univ Dept Ind & Syst Engn College Stn TX 77843 USA
Analyzing a portfolio with many assets (stocks) is mathematically challenging. This article considers a large portfolio within a graph theory framework to obtain a tracking portfolio of the actual network. Each asset ... 详细信息
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